OER Parts offers a wide selection of Body Panels for your 1989 GMC Jimmy. OER Parts offers 1989 GMC Jimmy Cowl Panels, 1989 GMC Jimmy Cowl Drain Flap, 1989 GMC Jimmy Side Cowl Panel, 1989 GMC Jimmy Cowl Panel Plugs , 1989 GMC Jimmy Cowl Drain Hose, and 1989 GMC Jimmy Cowl Gasket.